Register now to attend an upcoming training designed to share information on the role of conduits as a pathway for vapor intrusion. Presenters will go over updates to the publication Guidance: Investigation of Human-made Preferential Pathways Including Utility Corridors (RR-649) and highlight relevant sections for information available in the publication Vapor Intrusion Guidance (RR-800). This session will also offer an opportunity for you to ask questions specific to preferential pathways. 

The training is offered virtually and registration is required. Anyone involved in the investigation, remediation and mitigation of contaminated sites under Wisconsin Statute (Wis. Stat.) ch. 292 and Wisconsin Administrative (Wis. Admin.) Code chs. NR 700 – 799 is encouraged to attend.  

Conduit Vapor Intrusion: Application of RR-649 and RR-800 
Sept. 17, 2026, 11:30 a.m. to 1 p.m.
Register to attend by Zoom 

The training is hosted as part of the RR Program’s Issues & Trends series which provide updates and information from the RR Program on issues related to environmental contamination and cleanup. This session is the final session from the series of trainings hosted in 2026.  

Recordings Available
Recordings of previous presentations and trainings are available in the RR Program’s training library.